aded helper functions

Author: madhephaestus

src/main/java/com/neuronrobotics/sdk/addons/kinematics/DHParameterKinematics.java

@@ -706,7 +706,6 @@ public void onJointSpaceLimit(AbstractKinematicsNR source, int axis, JointLimit
 	// New helper functions
 
 	public TransformNR linkCoM(double linkAngleToClaculate, int linkIndex) {
-
 		double[] vectortail = getCurrentJointSpaceVector();
 		vectortail[linkIndex] = linkAngleToClaculate;
 		return getChain().getChain(vectortail).get(linkIndex)